JP4562170B2 - フォーカス制御装置及び光学機器 - Google Patents
フォーカス制御装置及び光学機器 Download PDFInfo
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- JP4562170B2 JP4562170B2 JP2004188429A JP2004188429A JP4562170B2 JP 4562170 B2 JP4562170 B2 JP 4562170B2 JP 2004188429 A JP2004188429 A JP 2004188429A JP 2004188429 A JP2004188429 A JP 2004188429A JP 4562170 B2 JP4562170 B2 JP 4562170B2
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Description
133 フォーカス制御回路(制御手段)
134 AF信号制御回路(信号生成手段)
141 撮像素子
FV AF評価値(第1の信号)
Claims (3)
- 撮影光学系により形成された被写体の像を光電変換して得られる撮像信号から、該被写体像のコントラスト状態に応じた第1の信号を生成する信号生成手段と、
前記第1の信号に基づいて前記撮影光学系の駆動を制御する制御手段と、
少なくとも前記第1の信号が生成されている間、前記撮影光学系の焦点状態に応じた位相差信号である第2の信号を検出する検出手段とを有し、
前記制御手段は、前記第2の信号に基づいて前記第1の信号が生成されている間の被写体の移動速度を検出し、該検出結果に応じて前記第1の信号を補正し、当該補正された第1の信号に基づいて撮影光学系の合焦位置を決定することを特徴とするフォーカス制御装置。 - 前記制御手段は、前記第2の信号に基づく被写体までの距離と、前記第2の信号を検出した時間に基づいて、被写体の移動速度を求めることを特徴とする請求項1に記載のフォーカス制御装置。
- 前記撮影光学系により形成された被写体の像を光電変換する撮像ユニットと、
前記撮像ユニットを用いて得られた撮像信号を記録媒体に記録する記録回路と、
請求項1または請求項2に記載のフォーカス制御装置とを備えたことを特徴とする光学機器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004188429A JP4562170B2 (ja) | 2004-06-25 | 2004-06-25 | フォーカス制御装置及び光学機器 |
US11/153,526 US7773146B2 (en) | 2004-06-15 | 2005-06-15 | Focus control apparatus and optical apparatus |
US12/833,392 US8446519B2 (en) | 2004-06-15 | 2010-07-09 | Focus control apparatus and optical apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004188429A JP4562170B2 (ja) | 2004-06-25 | 2004-06-25 | フォーカス制御装置及び光学機器 |
Publications (3)
Publication Number | Publication Date |
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JP2006011068A JP2006011068A (ja) | 2006-01-12 |
JP2006011068A5 JP2006011068A5 (ja) | 2007-01-11 |
JP4562170B2 true JP4562170B2 (ja) | 2010-10-13 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004188429A Expired - Fee Related JP4562170B2 (ja) | 2004-06-15 | 2004-06-25 | フォーカス制御装置及び光学機器 |
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JP (1) | JP4562170B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4769667B2 (ja) * | 2006-08-30 | 2011-09-07 | キヤノン株式会社 | 撮像装置 |
JP4535173B2 (ja) | 2008-06-26 | 2010-09-01 | ソニー株式会社 | 撮像装置及びフォーカス制御方法並びにプログラム |
JP5355239B2 (ja) * | 2009-06-16 | 2013-11-27 | キヤノン株式会社 | 撮像装置およびその制御方法 |
KR101720192B1 (ko) | 2011-01-19 | 2017-03-27 | 삼성전자주식회사 | 자동 초점 조절 장치 |
KR101710632B1 (ko) | 2011-03-18 | 2017-02-27 | 삼성전자주식회사 | 자동 초점 조절 장치 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH047510A (ja) * | 1990-04-25 | 1992-01-10 | Olympus Optical Co Ltd | 自動合焦装置 |
JPH0593850A (ja) * | 1991-04-02 | 1993-04-16 | Olympus Optical Co Ltd | 自動焦点装置 |
JPH05127075A (ja) * | 1991-11-06 | 1993-05-25 | Olympus Optical Co Ltd | カメラの合焦装置 |
JPH05308557A (ja) * | 1992-04-28 | 1993-11-19 | Olympus Optical Co Ltd | 自動合焦装置 |
JPH09258089A (ja) * | 1996-03-26 | 1997-10-03 | Nikon Corp | 焦点調節装置 |
JP2002365521A (ja) * | 2001-06-06 | 2002-12-18 | Olympus Optical Co Ltd | カメラ |
JP2004094130A (ja) * | 2002-09-03 | 2004-03-25 | Canon Inc | 自動合焦方法及び装置 |
JP2004138769A (ja) * | 2002-10-17 | 2004-05-13 | Nikon Corp | 電子カメラ、及び電子カメラの焦点制御系統の検査方法 |
-
2004
- 2004-06-25 JP JP2004188429A patent/JP4562170B2/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH047510A (ja) * | 1990-04-25 | 1992-01-10 | Olympus Optical Co Ltd | 自動合焦装置 |
JPH0593850A (ja) * | 1991-04-02 | 1993-04-16 | Olympus Optical Co Ltd | 自動焦点装置 |
JPH05127075A (ja) * | 1991-11-06 | 1993-05-25 | Olympus Optical Co Ltd | カメラの合焦装置 |
JPH05308557A (ja) * | 1992-04-28 | 1993-11-19 | Olympus Optical Co Ltd | 自動合焦装置 |
JPH09258089A (ja) * | 1996-03-26 | 1997-10-03 | Nikon Corp | 焦点調節装置 |
JP2002365521A (ja) * | 2001-06-06 | 2002-12-18 | Olympus Optical Co Ltd | カメラ |
JP2004094130A (ja) * | 2002-09-03 | 2004-03-25 | Canon Inc | 自動合焦方法及び装置 |
JP2004138769A (ja) * | 2002-10-17 | 2004-05-13 | Nikon Corp | 電子カメラ、及び電子カメラの焦点制御系統の検査方法 |
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JP2006011068A (ja) | 2006-01-12 |
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